<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="./vue3/Vue3.js"></script>
    
</head>
<body>
    <div id="app">
        <h1>{{ count }}</h1>
    </div>
    <script>
        const {createApp, ref} = Vue
        createApp({
            setup(){
                const count = 100
                return {count}
            }
        }).mount('#app')
        
    </script>
</body>
</html>

























